Usage

Usage: xterm_colour_chart.py [options] [chart names]
Options:
--version show program's version number and exit
-h, --help show this help message and exit
-8, --88-colours use 88-colour mode [default: 256-colour mode]
-l, --list-charts list available charts
-o NUM, --origin=NUM set the origin of the colour cube: 0-7 [default: 0]
-a NUM, --angle=NUM set the angle of the colour cube: 0-5 [default: 0]
-n, --numbers display hex colour numbers on chart
-x COLS, --cell-columns=COLS
set the number of columns for drawing each colour cell
[default: 2]
-y ROWS, --cell-rows=ROWS
set the number of rows for drawing each colour cell
[default: 1]
-r, --reset-palette reset the colour palette before displaying chart, this
option may be used to switch between 88 and 256-colour
modes in xterm